{if condition="$vo.art_pic neq ''"}
<li class="artbanner_item swiper-slide">  
	<div class="artbanner_img">
		<a class="artbanner_thumb swiper-lazy" href="{:mac_url_art_detail($vo)}" title="{$vo.art_name}" data-background="{$vo.art_pic|mac_url_img}">						
			<span class="artbanner_title">{$vo.art_name}</span>
	    </a>
	</div>
</li>
{/if}